#### Chapters

Chapter 2: Exponents of Real Numbers

Chapter 3: Rationalisation

Chapter 4: Algebraic Identities

Chapter 5: Factorisation of Algebraic Expressions

Chapter 6: Factorisation of Polynomials

Chapter 7: Linear Equations in Two Variables

Chapter 8: Co-ordinate Geometry

Chapter 9: Introduction to Euclid’s Geometry

Chapter 10: Lines and Angles

Chapter 11: Triangle and its Angles

Chapter 12: Congruent Triangles

Chapter 13: Quadrilaterals

Chapter 14: Areas of Parallelograms and Triangles

Chapter 15: Circles

Chapter 16: Constructions

Chapter 17: Heron’s Formula

Chapter 18: Surface Areas and Volume of a Cuboid and Cube

Chapter 19: Surface Areas and Volume of a Circular Cylinder

Chapter 20: Surface Areas and Volume of A Right Circular Cone

Chapter 21: Surface Areas and Volume of a Sphere

Chapter 22: Tabular Representation of Statistical Data

Chapter 23: Graphical Representation of Statistical Data

Chapter 24: Measures of Central Tendency

Chapter 25: Probability

#### RD Sharma Mathematics Class 9 by R D Sharma (2018-19 Session)

## Chapter 8: Co-ordinate Geometry

#### Chapter 8: Co-ordinate Geometry Exercise 8.10 solutions [Page 6]

Plot the following point on the graph paper:

(2,5)

Plot the following point on the graph paper:

(4, −3)

Plot the following point on the graph paper:

(−5, −7)

Plot the following point on the graph paper:

(7, −4)

Plot the following point on the graph paper:

(−3, 2)

Plot the following point on the graph paper:

(7, 0)

Plot the following point on the graph paper:

(−4, 0)

Plot the following point on the graph paper:

(0, 7)

Plot the following point on the graph paper:

(0, −4)

Plot the following point on the graph paper:

(0, 0)

Write the coordinates of each of the following points marked in the graph paper:

#### Chapter 8: Co-ordinate Geometry solutions [Page 7]

Mark the correct alternative in each of the following:

The point of intersect of the coordinate axes is

ordinate

abscissa

quadrant

origin

The abscissa and ordinate of the origin are

(0, 0)

(1, 0)

(0, 1)

(1 , 1)

The measure of the angle between the coordinate axes is

0°

90°

180°

360°

A point whose abscissa and ordinate are 2 and −5 respectively, lies in

First quadrant

Second quadrant

Third quadrant

Fourth quadrant

Points (−4, 0) and (7, 0) lie

on x-axis

y-axis

in first quadrant

In second quadrant

The ordinate of any point on x-axis is

0

1

-1

any number

The abscissa of any point on y-axis is

0

1

-1

any number

The abscissa of a point is positive in the

First and Second quadrant

Second and Third quadrant

Third and Fourth quadrant

Fourth and First quadrant

A point whose abscissa is −3 and ordinate 2 lies in

First quadrant

Second quadrant

Third quadrant

Fourth quadrant

Two points having same abscissae but different ordinate lie on

x-axis

y-axis

a line parallel to y-axis

a line parallel to x-axis

The perpendicular distance of the point P (4, 3) from x-axis is

4

3

5

none of these

The perpendicular distance of the P (4,3) from y-axis is

4

3

5

none of these

The distance of the point *P* (4, 3) from the origin is

4

3

5

7

The area of the triangle formed by the points A(2,0) B(6,0) and C(4,6) is

24 sq. units

12 sq. units

10 sq. units

none of these

The area of the triangle formed by the points P (0, 1), Q (0, 5) and R (3, 4) is

16 sq. units

8 sq. units

4 sq. units

6 sq. units

## Chapter 8: Co-ordinate Geometry

#### RD Sharma Mathematics Class 9 by R D Sharma (2018-19 Session)

#### Textbook solutions for Class 9

## RD Sharma solutions for Class 9 Mathematics chapter 8 - Co-ordinate Geometry

RD Sharma solutions for Class 9 Maths chapter 8 (Co-ordinate Geometry) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the CBSE Mathematics for Class 9 by R D Sharma (2018-19 Session) solutions in a manner that help students grasp basic concepts better and faster.

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Concepts covered in Class 9 Mathematics chapter 8 Co-ordinate Geometry are Introduction of Coordinate Geometry, Cartesian System, Plotting a Point in the Plane If Its Coordinates Are Given.

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